Finally, regarding that name of mine: It is written Krötzsch or Kroetzsch, but never Krotzsch. The vowel ö (umlaut o) is pronounced long, as in Gödel and Björk. It's roughly like the ea in the English pearl or the eu in French peu (try making these sounds while forming your mouth as when saying an o). You could try to combine the sounds that appear in the following words: